fpga: bridge: change api, don't use drvdata

Change fpga_bridge_register to not set drvdata.  This is to support
the case where a PCIe device can have more than one bridge.

Add API functions to create/free the fpga bridge struct. Change
fpga_bridge_register/unregister to take FPGA bridge struct as
the only parameter.

  struct fpga_bridge
  *fpga_bridge_create(struct device *dev, const char *name,
                      const struct fpga_bridge_ops *br_ops,
                      void *priv);
  void fpga_bridge_free(struct fpga_bridge *br);
  int fpga_bridge_register(struct fpga_bridge *br);
  void fpga_bridge_unregister(struct fpga_bridge *br);

Update the drivers that call fpga_bridge_register with the new API.

Signed-off-by: Alan Tull <atull@kernel.org>
Reported-by: Jiuyue Ma <majiuyue@huawei.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Tull
2018-05-16 18:49:56 -05:00
committed by Greg Kroah-Hartman
parent 7085e2a94f
commit 371cd1b1fd
6 changed files with 123 additions and 45 deletions

View File

@@ -62,8 +62,11 @@ int of_fpga_bridge_get_to_list(struct device_node *np,
struct fpga_image_info *info,
struct list_head *bridge_list);
int fpga_bridge_register(struct device *dev, const char *name,
const struct fpga_bridge_ops *br_ops, void *priv);
void fpga_bridge_unregister(struct device *dev);
struct fpga_bridge *fpga_bridge_create(struct device *dev, const char *name,
const struct fpga_bridge_ops *br_ops,
void *priv);
void fpga_bridge_free(struct fpga_bridge *br);
int fpga_bridge_register(struct fpga_bridge *br);
void fpga_bridge_unregister(struct fpga_bridge *br);
#endif /* _LINUX_FPGA_BRIDGE_H */